*{
    margin: 0;
    padding: 0;
    list-style: none;
}
.top{
    position: relative;
   }
    .big{
        width: 100%;      
    }
    .big1{
       position: absolute;
       top: 30%;
       left: 20%;
       width: 18%;
    }
    .big2{
       position: absolute;
       top: 37%;
       left: 40%;
       width: 13%;
    }
    .top-p{
        position: absolute;
       top: 45%;
       left: 20%;
       width: 35%;
       color: white;
    }
    .top-app{
        position: absolute;
        top: 60%;
        left: 20%;
        width: 10%;
        /* height: 50px; */
        border-radius: 20px;
        background-color: white;
        
    }
    .top-app span{
        display: inline-block;
        margin-top: 5%;
    }
    .iphone{
        float: left;
        width: 10%;
        margin-top: 5%;
        margin-bottom: 3%;
        margin-left: 20%;
        margin-right: 5%;
    }
    .top-ma{
        width: 80%;
        margin: 10%;
        display: none;
    }
    .top-bottom{
        position: absolute;
        top: 91%;
        left: 0;
        width: 100%;
        height: 8%;
       
        background: rgba(30, 7, 10, .7);
        color: white;
    }
    .top-bottom span{
        display: inline-block;
        margin-left: 20%;
       height: 60%;
       width: 10%;
       text-align: center;
       padding-top: 1%;

    }
    /* 蒙版弹窗 */
    .al{
        width: 100vw;
        height: 100vh;
        background-color: rgba(200, 200, 200, 0.6);
        display: none;
        position: fixed;
        left: 0;
        top: 0;
    }
    .al-div{
        width: 600px;
        height: 400px;
        background-color: white;
        margin: 80px auto;
        padding: 50px;
        border-radius: 20px;
    }
    .al-button{
        width: 150px;
        height: 40px;
        border-radius: 20px;
        background-color: red;
        color: white;
        margin-top: 80px;
        margin-left: 210px;
        border: none;
    }

    .middle{
        width: 70%;
        height: 2800px;
        /* border: 1px solid black; */
        margin: 0 auto;
    }
    .middle-1{
        width: 100%;
        height: 5%;
    }
    .middle-1 img{
        width: 30%;
        display: block;
        margin: 5% auto 1%;
    }
    .middle-1 p{
        width: 40%;
        margin: 0 auto;
    }
    .middle-2 li{
        width: 10%;
        height: 130px;
        float: left;
        margin: 0 3%;
       
    }
    .middle-2 li img{
        width: 80%;
        display: inline-block;
        margin: 0 auto;
    }
    /* 清除浮动 */
    .clear{
        clear: both;
    }
    /* 轮播图 */
    .middle-3{
        width: 100%;
        height: 18%;
        /* background-color: palevioletred; */
        position: relative;
    }
    .left1{
        width: 50px;
        position: absolute;
        top: 48%;
        left: 0.5%;
    }
   .right1{
        width: 50px;
        position: absolute;
        top: 48%;
        left: 95%;
    }
    
   .img6-11{
        width: 100%;
    }
    .img6-111{
        width: 90%;
    position: absolute;
    top: 30%;
    left: 5%;
    }
    .middle-4{
        width: 100%;
        height: 5%;
    }
    .middle-4 img{
        width: 30%;
        display: block;
        margin: 5% auto 1%;
    }
    .middle-4 p{
        width: 22%;
        margin: 0 auto;
    }
    .middle-5 li{
        float: left;
        width: 30%;
        height: 400px;
        border-radius: 20px;
        box-shadow:0 10px 10px  #999 ;
    }
    .li-2{
        margin: 0px 5%;
    }
    .m5-img{
        width: 160px;
        height: 160px;
        display: block;
        margin: 50px auto 0;
    }
    .m5-img1{
        height: 40px;
        display: block;
        margin: 0 auto;
    }
    .middle-5 li p{
        font-size: 21px;
        margin: 10px 110px;
    }
    .middle-6{
        width: 100%;
        height: 5%;
    }
    .middle-6 img{
        width: 50%;
        display: block;
        margin: 5% auto 1%;
    }
    .middle-6 p{
        width: 20%;
        margin: 0 auto;
    }
    .middle-7{
        width: 100%;
       
    }
    .middle-7 img{
        width: 100%;
    }
    .middle-8{
        width: 35%;
        height: 180px;
        margin: 5% auto;
        box-shadow: 0px 5px 5px #999;
    }
    .middle-8 ul li{
        float: left;
        width: 50%;
        
    }
    .middle-8 ul li img{
        display: block;
        width: 80%;
        margin: 10%;
    }
    .span-1{
        font-size: 24px;
        display: block;
        width: 80%;
        margin: 10%;    
    }
    .span-2{
        font-size: 17px;   
        display: block;
        width: 80%;
        margin: 10%; 
    }

    /* 底部 */
    .bottom{
        width: 100%;
        height: 315px;
        border-top: 1px solid black;
    }
    .foot {
        width: 100%;
    }
    .ul3 {
        width: 80%;
        margin: 0  auto;
        list-style: none;
        margin-top: 80px;
    }
    .ul3>li {
        float: left;
        height: 50px;
        line-height: 50px;
        margin-left: 155px;
    }
    .ul3>li>img {
        width: 47px;
        height: 47px;
        float: left;
        margin-right: 10px;
    }
    .clear {
        clear: both;
    }
    .boxFoot {
        width: 80%;
        margin: 0 auto;
        font-size: 12px;
        text-align: center;
        margin-top: 40px;
        padding-bottom: 20px;
    }
    .footer {
        margin-top: 80px;
    }
    .footer img {
        width: 80px;
        height: 27px;
    }
    #small {
        width: 18px;
        height: 20px;
    }
/* 侧边固定回到顶部 */
.right{
    width: 100px;
    /* height: 200px; */
    background-color: white;
    border-radius: 5px;
    position: fixed;
    top: 60%;
    left:90%;
}
.right ul li{
height: 30px;
line-height: 30px;
text-align: center;
}
.li1{
    border-bottom:1px solid #F0F0F0 ;
    position: relative;
}
.right ul .li3{
    height: 80px;
}
.right ul .li4{
    height: 50px;
    font-size: 12px;
}
.right ul .li5{
    background-color: red;
    color: white;
    margin-top: 10px;
    border-radius:0px 0px 5px 5px;
}
.right li img{
    width: 80%;
    display: block;
    margin: 0 auto;
}
.right-1{
    width: 200px;
    height: 80px;
    line-height: 40px;
    position: absolute;
    top: 0px;
    left: -200px;
    background-color: white;
    border-radius: 5px;
    display: none;
}
.right-1 p{
    font-size: 24px;
}
.p2{
    color: red;
}